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Simplify 3.3√40-4.3√320-3√5​

Simplify 3.3√40-4.3√320-3√5​
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Simplify 3.3√40-4.3√320-3√5​

User Hans Z
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\displaystyle\\~~~~3.3√(40)-4.3√(320)-3√(5)=\\\\=3.3√(4*10)-4.3√(64*5)-3√(5)=\\\\=3.3*2√(10)-4.3*8√(5)-3√(5)=\\\\=6.6√(10)-34.4√(5)-3√(5)=\\\\=\boxed{\bf6.6√(10)-37.4√(5)}

User LJG
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